diff --git a/.github/workflows/ton-x86-64-windows.yml b/.github/workflows/ton-x86-64-windows.yml
index 67026183..d5c9c243 100644
--- a/.github/workflows/ton-x86-64-windows.yml
+++ b/.github/workflows/ton-x86-64-windows.yml
@@ -9,7 +9,7 @@ defaults:
 jobs:
   build:
 
-    runs-on: windows-2022
+    runs-on: windows-2019
 
     steps:
       - name: Get Current OS version
@@ -23,9 +23,9 @@ jobs:
 
       - name: Build TON
         run: |
-          copy assembly\native\build-windows-github.bat .
-          copy assembly\native\build-windows.bat .
-          build-windows-github.bat Enterprise
+          copy assembly\native\build-windows-github-2019.bat .
+          copy assembly\native\build-windows-2019.bat .
+          build-windows-github-2019.bat Enterprise
 
       - name: Upload artifacts
         uses: actions/upload-artifact@master
diff --git a/CMake/FindSodium.cmake b/CMake/FindSodium.cmake
index 85194ee2..c11e46f1 100644
--- a/CMake/FindSodium.cmake
+++ b/CMake/FindSodium.cmake
@@ -37,12 +37,14 @@ if (NOT DEFINED SODIUM_USE_STATIC_LIBS)
   option(SODIUM_USE_STATIC_LIBS "enable to statically link against sodium" OFF)
 endif()
 if(NOT (SODIUM_USE_STATIC_LIBS EQUAL SODIUM_USE_STATIC_LIBS_LAST))
-  unset(sodium_LIBRARY CACHE)
-  unset(SODIUM_LIBRARY_DEBUG CACHE)
-  unset(SODIUM_LIBRARY_RELEASE CACHE)
-  unset(sodium_DLL_DEBUG CACHE)
-  unset(sodium_DLL_RELEASE CACHE)
-  set(SODIUM_USE_STATIC_LIBS_LAST ${SODIUM_USE_STATIC_LIBS} CACHE INTERNAL "internal change tracking variable")
+  if (NOT SODIUM_LIBRARY_RELEASE)
+    unset(sodium_LIBRARY CACHE)
+    unset(SODIUM_LIBRARY_DEBUG CACHE)
+    unset(SODIUM_LIBRARY_RELEASE CACHE)
+    unset(sodium_DLL_DEBUG CACHE)
+    unset(sodium_DLL_RELEASE CACHE)
+    set(SODIUM_USE_STATIC_LIBS_LAST ${SODIUM_USE_STATIC_LIBS} CACHE INTERNAL "internal change tracking variable")
+  endif()
 endif()
 
 
@@ -295,4 +297,4 @@ else()
         )
     endif()
   endif()
-endif()
\ No newline at end of file
+endif()
diff --git a/assembly/native/build-windows-2019.bat b/assembly/native/build-windows-2019.bat
new file mode 100644
index 00000000..c4722d54
--- /dev/null
+++ b/assembly/native/build-windows-2019.bat
@@ -0,0 +1,221 @@
+REM execute this script inside elevated (Run as Administrator) console "x64 Native Tools Command Prompt for VS 2019"
+
+echo off
+
+echo Installing chocolatey windows package manager...
+@"%SystemRoot%\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -InputFormat None -ExecutionPolicy Bypass -Command "iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))" && SET "PATH=%PATH%;%ALLUSERSPROFILE%\chocolatey\bin"
+choco -?
+IF %errorlevel% NEQ 0 (
+  echo Can't install chocolatey
+  exit /b %errorlevel%
+)
+
+choco feature enable -n allowEmptyChecksums
+
+echo Installing pkgconfiglite...
+choco install -y pkgconfiglite
+IF %errorlevel% NEQ 0 (
+  echo Can't install pkgconfiglite
+  exit /b %errorlevel%
+)
+
+echo Installing ninja...
+choco install -y ninja
+IF %errorlevel% NEQ 0 (
+  echo Can't install ninja
+  exit /b %errorlevel%
+)
+
+if not exist "zlib" (
+git clone https://github.com/madler/zlib.git
+cd zlib
+git checkout v1.3.1
+cd contrib\vstudio\vc14
+msbuild zlibstat.vcxproj /p:Configuration=ReleaseWithoutAsm /p:platform=x64 -p:PlatformToolset=v142
+
+IF %errorlevel% NEQ 0 (
+  echo Can't install zlib
+  exit /b %errorlevel%
+)
+cd ..\..\..\..
+) else (
+echo Using zlib...
+)
+
+if not exist "lz4" (
+git clone https://github.com/lz4/lz4.git
+cd lz4
+git checkout v1.9.4
+cd build\VS2017\liblz4
+msbuild liblz4.vcxproj /p:Configuration=Release /p:platform=x64 -p:PlatformToolset=v142
+
+IF %errorlevel% NEQ 0 (
+  echo Can't install lz4
+  exit /b %errorlevel%
+)
+cd ..\..\..\..
+) else (
+echo Using lz4...
+)
+
+if not exist "secp256k1" (
+git clone https://github.com/bitcoin-core/secp256k1.git
+cd secp256k1
+git checkout v0.3.2
+cmake -G "Visual Studio 16 2019" -A x64 -S . -B build -DSECP256K1_ENABLE_MODULE_RECOVERY=ON -DBUILD_SHARED_LIBS=OFF
+IF %errorlevel% NEQ 0 (
+  echo Can't configure secp256k1
+  exit /b %errorlevel%
+)
+cmake --build build --config Release
+IF %errorlevel% NEQ 0 (
+  echo Can't install secp256k1
+  exit /b %errorlevel%
+)
+cd ..
+) else (
+echo Using secp256k1...
+)
+
+
+curl --retry 5 --retry-delay 10 -Lo libsodium-1.0.18-stable-msvc.zip https://download.libsodium.org/libsodium/releases/libsodium-1.0.18-stable-msvc.zip
+IF %errorlevel% NEQ 0 (
+  echo Can't download libsodium
+  exit /b %errorlevel%
+)
+unzip libsodium-1.0.18-stable-msvc.zip
+) else (
+echo Using libsodium...
+)
+
+if not exist "openssl-3.1.4" (
+curl  -Lo openssl-3.1.4.zip https://github.com/neodiX42/precompiled-openssl-win64/raw/main/openssl-3.1.4.zip
+IF %errorlevel% NEQ 0 (
+  echo Can't download OpenSSL
+  exit /b %errorlevel%
+)
+unzip -q openssl-3.1.4.zip
+) else (
+echo Using openssl...
+)
+
+if not exist "libmicrohttpd-0.9.77-w32-bin" (
+curl  -Lo libmicrohttpd-0.9.77-w32-bin.zip https://github.com/neodiX42/precompiled-openssl-win64/raw/main/libmicrohttpd-0.9.77-w32-bin.zip
+IF %errorlevel% NEQ 0 (
+  echo Can't download libmicrohttpd
+  exit /b %errorlevel%
+)
+unzip -q libmicrohttpd-0.9.77-w32-bin.zip
+) else (
+echo Using libmicrohttpd...
+)
+
+if not exist "readline-5.0-1-lib" (
+curl  -Lo readline-5.0-1-lib.zip https://github.com/neodiX42/precompiled-openssl-win64/raw/main/readline-5.0-1-lib.zip
+IF %errorlevel% NEQ 0 (
+  echo Can't download readline
+  exit /b %errorlevel%
+)
+unzip -q -d readline-5.0-1-lib readline-5.0-1-lib.zip
+) else (
+echo Using readline...
+)
+
+
+set root=%cd%
+echo %root%
+set SODIUM_DIR=%root%\libsodium
+
+mkdir build
+cd build
+cmake -GNinja  -DCMAKE_BUILD_TYPE=Release ^
+-DPORTABLE=1 ^
+-DSODIUM_USE_STATIC_LIBS=1 ^
+-DSECP256K1_FOUND=1 ^
+-DSECP256K1_INCLUDE_DIR=%root%\secp256k1\include ^
+-DSECP256K1_LIBRARY=%root%\secp256k1\build\src\Release\libsecp256k1.lib ^
+-DLZ4_FOUND=1 ^
+-DLZ4_INCLUDE_DIRS=%root%\lz4\lib ^
+-DLZ4_LIBRARIES=%root%\lz4\build\VS2017\liblz4\bin\x64_Release\liblz4_static.lib ^
+-DMHD_FOUND=1 ^
+-DMHD_LIBRARY=%root%\libmicrohttpd-0.9.77-w32-bin\x86_64\VS2019\Release-static\libmicrohttpd.lib ^
+-DMHD_INCLUDE_DIR=%root%\libmicrohttpd-0.9.77-w32-bin\x86_64\VS2019\Release-static ^
+-DZLIB_FOUND=1 ^
+-DZLIB_INCLUDE_DIR=%root%\zlib ^
+-DZLIB_LIBRARIES=%root%\zlib\contrib\vstudio\vc14\x64\ZlibStatReleaseWithoutAsm\zlibstat.lib ^
+-DOPENSSL_FOUND=1 ^
+-DOPENSSL_INCLUDE_DIR=%root%\openssl-3.1.4\x64\include ^
+-DOPENSSL_CRYPTO_LIBRARY=%root%\openssl-3.1.4\x64\lib\libcrypto_static.lib ^
+-DREADLINE_INCLUDE_DIR=%root%\readline-5.0-1-lib\include ^
+-DREADLINE_LIBRARY=%root%\readline-5.0-1-lib\lib\readline.lib ^
+-DCMAKE_CXX_FLAGS="/DTD_WINDOWS=1 /EHsc /bigobj" ..
+IF %errorlevel% NEQ 0 (
+  echo Can't configure TON
+  exit /b %errorlevel%
+)
+
+IF "%1"=="-t" (
+ninja storage-daemon storage-daemon-cli blockchain-explorer fift func tonlib tonlibjson  ^
+tonlib-cli validator-engine lite-client pow-miner validator-engine-console generate-random-id ^
+json2tlo dht-server http-proxy rldp-http-proxy adnl-proxy create-state create-hardfork emulator ^
+test-ed25519 test-ed25519-crypto test-bigint test-vm test-fift test-cells test-smartcont test-net ^
+test-tdactor test-tdutils test-tonlib-offline test-adnl test-dht test-rldp test-rldp2 test-catchain ^
+test-fec test-tddb test-db test-validator-session-state
+IF %errorlevel% NEQ 0 (
+  echo Can't compile TON
+  exit /b %errorlevel%
+)
+) else (
+ninja storage-daemon storage-daemon-cli blockchain-explorer fift func tonlib tonlibjson  ^
+tonlib-cli validator-engine lite-client pow-miner validator-engine-console generate-random-id ^
+json2tlo dht-server http-proxy rldp-http-proxy adnl-proxy create-state create-hardfork emulator
+IF %errorlevel% NEQ 0 (
+  echo Can't compile TON
+  exit /b %errorlevel%
+)
+)
+
+copy validator-engine\validator-engine.exe test
+IF %errorlevel% NEQ 0 (
+  echo validator-engine.exe does not exist
+  exit /b %errorlevel%
+)
+
+IF "%1"=="-t" (
+  echo Running tests...
+REM  ctest -C Release --output-on-failure -E "test-catchain|test-actors|test-validator-session-state"
+  ctest -C Release --output-on-failure -E "test-bigint" --timeout 1800
+  IF %errorlevel% NEQ 0 (
+    echo Some tests failed
+    exit /b %errorlevel%
+  )
+)
+
+
+echo Creating artifacts...
+cd ..
+mkdir artifacts
+mkdir artifacts\smartcont
+mkdir artifacts\lib
+
+for %%I in (build\storage\storage-daemon\storage-daemon.exe ^
+build\storage\storage-daemon\storage-daemon-cli.exe ^
+build\blockchain-explorer\blockchain-explorer.exe ^
+build\crypto\fift.exe ^
+build\crypto\tlbc.exe ^
+build\crypto\func.exe ^
+build\crypto\create-state.exe ^
+build\validator-engine-console\validator-engine-console.exe ^
+build\tonlib\tonlib-cli.exe ^
+build\tonlib\tonlibjson.dll ^
+build\http\http-proxy.exe ^
+build\rldp-http-proxy\rldp-http-proxy.exe ^
+build\dht-server\dht-server.exe ^
+build\lite-client\lite-client.exe ^
+build\validator-engine\validator-engine.exe ^
+build\utils\generate-random-id.exe ^
+build\utils\json2tlo.exe ^
+build\adnl\adnl-proxy.exe ^
+build\emulator\emulator.dll) do (strip -g %%I & copy %%I artifacts\)
+xcopy /e /k /h /i crypto\smartcont artifacts\smartcont
+xcopy /e /k /h /i crypto\fift\lib artifacts\lib
diff --git a/assembly/native/build-windows-github-2019.bat b/assembly/native/build-windows-github-2019.bat
new file mode 100644
index 00000000..4f7eee05
--- /dev/null
+++ b/assembly/native/build-windows-github-2019.bat
@@ -0,0 +1,2 @@
+call "C:\Program Files (x86)\Microsoft Visual Studio\2019\%1\VC\Auxiliary\Build\vcvars64.bat"
+call build-windows-2019.bat -t
diff --git a/assembly/native/build-windows-github.bat b/assembly/native/build-windows-github.bat
index 7cad8c7e..bfa2d336 100644
--- a/assembly/native/build-windows-github.bat
+++ b/assembly/native/build-windows-github.bat
@@ -1,2 +1,2 @@
 call "C:\Program Files\Microsoft Visual Studio\2022\%1\VC\Auxiliary\Build\vcvars64.bat"
-call build-windows.bat -t
\ No newline at end of file
+call build-windows.bat -t
diff --git a/assembly/wasm/fift-func-wasm-build-ubuntu.sh b/assembly/wasm/fift-func-wasm-build-ubuntu.sh
index 6daf2d4c..7687a63f 100644
--- a/assembly/wasm/fift-func-wasm-build-ubuntu.sh
+++ b/assembly/wasm/fift-func-wasm-build-ubuntu.sh
@@ -38,22 +38,26 @@ cd ..
 
 git clone https://github.com/madler/zlib.git
 cd zlib
+git checkout v1.3.1
 ZLIB_DIR=`pwd`
 cd ..
 
 git clone https://github.com/lz4/lz4.git
 cd lz4
+git checkout v1.9.4
 LZ4_DIR=`pwd`
 cd ..
 
 git clone https://github.com/bitcoin-core/secp256k1.git
 cd secp256k1
+git checkout v0.3.2
 ./autogen.sh
 SECP256K1_DIR=`pwd`
 cd ..
 
-git clone https://github.com/jedisct1/libsodium --branch stable
+git clone https://github.com/jedisct1/libsodium
 cd libsodium
+git checkout 1.0.18-RELEASE
 SODIUM_DIR=`pwd`
 cd ..